25528514

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 44366400

約数和(自身を除く): 18837886

約数列:

[1, 2, 11, 19, 22, 38, 157, 209, 314, 389, 418, 778, 1727, 2983, 3454, 4279, 5966, 7391, 8558, 14782, 32813, 61073, 65626, 81301, 122146, 162602, 671803, 1160387, 1343606, 2320774, 12764257, 25528514]

約数ペア:

[(1, 25528514), (2, 12764257), (11, 2320774), (19, 1343606), (22, 1160387), (38, 671803), (157, 162602), (209, 122146), (314, 81301), (389, 65626), (418, 61073), (778, 32813), (1727, 14782), (2983, 8558), (3454, 7391), (4279, 5966)]